449850442636 has 12 divisors (see below), whose sum is σ = 899700885328. Its totient is φ = 192793046832.

The previous prime is 449850442621. The next prime is 449850442649. The reversal of 449850442636 is 636244058944.

It is a happy number.

449850442636 is an admirable number.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8033043591 + ... + 8033043646.

Almost surely, 2^449850442636 is an apocalyptic number.

It is an amenable number.

449850442636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449850442636 is a wasteful number, since it uses less digits than its factorization.

449850442636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16066087248 (or 16066087246 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 55.

The spelling of 449850442636 in words is "four hundred forty-nine billion, eight hundred fifty million, four hundred forty-two thousand, six hundred thirty-six".